/*  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "luge-logging.hh"

namespace {

/**
 * an output stream that does nothing.
 */
struct null_ostream
  : std::basic_ostream <char>
{
};

static std::ostream *info_stream = 0;
static std::ostream *error_stream = 0;

} /* local namespace */

void lg::init_logging (int level)
{
  switch (level) {
  case 0:
    info_stream = new null_ostream ();
    error_stream = info_stream;
    break;
  case 1:
    info_stream = new null_ostream ();
    error_stream = &std::clog;
    break;
  default:
    info_stream = &std::clog;
    error_stream = &std::clog;
    break;
  }
}

std::ostream &lg::info ()
{
  return *info_stream;
}
std::ostream &lg::error ()
{
  return *error_stream;
}

